9970263173 has 16 divisors (see below), whose sum is σ = 11610708480. Its totient is φ = 8477642496.

The previous prime is 9970263151. The next prime is 9970263203. The reversal of 9970263173 is 3713620799.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 9970263173 - 2¹⁰ = 9970262149 is a prime.

It is a super-2 number, since 2×9970263173² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9970263473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 469553 + ... + 490326.

It is an arithmetic number, because the mean of its divisors is an integer number (725669280).

Almost surely, 2^9970263173 is an apocalyptic number.

It is an amenable number.

9970263173 is a deficient number, since it is larger than the sum of its proper divisors (1640445307).

9970263173 is a wasteful number, since it uses less digits than its factorization.

9970263173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959956.

The product of its (nonzero) digits is 428652, while the sum is 47.

The square root of 9970263173 is about 99851.2051654861. The cubic root of 9970263173 is about 2152.2970346713.

The spelling of 9970263173 in words is "nine billion, nine hundred seventy million, two hundred sixty-three thousand, one hundred seventy-three".